Bronchial atrophy and dynamic expiratory collapse.
D000368:Aged; D001284:Atrophy; D001980:Bronchi / Q000473:pathology*; D001991:Bronchitis / Q000473:pathology; D001995:Bronchography; D002933:Cineradiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000473:pathology; D012119:Respiration; D012140:Respiratory Tract Diseases / Q000473:pathology*